Lag with Wireless Turned On

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I'm Here A Lot
Posts: 6

Re: Lag with Wireless Turned On



Modem software:


I took two images of the Pingplot during the worst of the lagging last night.  The two were for and the second was for the Primary DNS

Resident Expert
Resident Expert
Posts: 7,066

Re: Lag with Wireless Turned On

@bob99991 it looks like you have a problem with the external cable and / or connectors.  You shouldn't have any packet loss to the CMTS, practically speaking.  Typically that loss should be under 0.1 %.  So, from looking at the first plot, I'd say that you need the services of a tech to inspect the cable and replace the connectors.  I'm assuming here that you don't have any packet loss to the modem.  If you ran a ping test to the modem, you shouldn't have any packet loss.  


If you were to run a command line ping test to the CMTS, that will confirm what your pingplot is indicating.  That's a simple command with a command prompt:




That will run a single target ping, versus what pingplotter does, which is to ping every hop in the path to the end target.  If there is any question about packet loss, a command line ping test will confirm or deny the existence of any packet loss.  I'd let that run for an hour or so, and then look at the final results.  If there is packet loss occurring, you will see that as the results scroll by.  As I indicated before, ask tech support to ping the modem from the CMTS or ping the CMTS from the modem.  When you see packet loss occur, the Customer Service Rep should see that as well.  There shouldn't be any argument about packet loss at that point. 


On the other hand, call tech support and advise the CSR that you have packet loss occurring between the modem and the CMTS.  No doubt the CSR will probably run a signal check on the modem, but, that probably won't show anything useful as the packet loss is a momentary disconnection that occurs too fast for the modem to record the data.  So, tech support should have first crack at this.  Beyond that, if you're not getting anywhere, then @RogersAndy can weigh in on the matter.  


Fwiw, here's a gaming thread that Andy is running, which is to address situations such as what you're facing.


If you want to run a high speed ping test, download HRPing from:


Thats a command line program.  To run a continuous pingtest at 200 milli-second intervals, use the following command:


hrping -t -T -s 200


Use Ctrl + C to bail out of the test.  The -s variable is in milli-seconds.  The default is 500 ms. 


To dump the results to a file, run:  hrping -t -T -s 200 -F pingtest.txt


That will create and write to the pingtest.txt file in the same directory as the HRPing executable, although you can point that to any directory and use any file title that you prefer.  Use filename.txt, with the .txt file extension so that it can be opened automatically with notepad.  Large 24 hour file results should be opened with Notepad++, which easily handles large file sizes.  The time intervals can be adjusted up or down.  Given the typical result due to the modem internal timing, the lowest that you can use will be the average on any given run plus perhaps 1 ms.  That "previous average plus 1 ms" will allow you to run the lowest possible ping interval for test purposes.


For now, we'll leave the packet loss to the DNS alone, but, it won't help when it comes to web page loading.  First step is to resolve the local packet loss and go from there. 


Edit:  Is your external cable underground, or does it arrive via overhead path from a nearby utility pole?  Its much easier for the tech to replace the connectors at both ends of the cable from the house to the local tap if it runs underground.  Any guesses as to whether or not that external cable has been in use for a few years?


Resident Expert
Resident Expert
Posts: 7,066

Re: Lag with Wireless Turned On

@bob99991 are you making any headway with the packet loss situation?

I've Been Around
Posts: 1

Re: Lag with Wireless Turned On

Does this look normal I have a high ping when playing on xbox?   

Downstream Overview
Port IDFrequency (MHz)ModulationSignal strength (dBmV)Channel IDSignal noise ratio (dB)
OFDM Downstream Overview
ReceiverFFT typeSubcarr 0 Frequency(MHz)PLC lockedNCP lockedMDC1 lockedPLC power(dBmv)
Upstream Overview
Port IDFrequency (MHz)ModulationSignal strength (dBmV)Channel IDBandwidth
125300000ATDMA - 64QAM27.25023200000
236996000ATDMA - 64QAM23.75046400000
330596000ATDMA - 64QAM24.00036400000
422100000ATDMA - 64QAM27.25013200000
Resident Expert
Resident Expert
Posts: 14,280

Re: Lag with Wireless Turned On

Issues with xbox and ps4 can have an effect if you dont have port forwarding set up (that the firewall is too strict) 

That being said.. your signal could be effecting it some as well.

Optimal signal is between + / - 10dBmV.  
Your hitting -6 to -8 in a lot of channels.

You would be best to get rogers to send someone out to take a look at the signals.
Optimally  you want it to be as close to 0 as possible.